* core/vm, params: implement EXTCODEHASH opcode * core, params: tiny fixes and polish * core: add function description
		
			
				
	
	
		
			94 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			94 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright 2016 The go-ethereum Authors
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| // This file is part of the go-ethereum library.
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| //
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| // The go-ethereum library is free software: you can redistribute it and/or modify
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| // it under the terms of the GNU Lesser General Public License as published by
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| // the Free Software Foundation, either version 3 of the License, or
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| // (at your option) any later version.
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| //
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| // The go-ethereum library is distributed in the hope that it will be useful,
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| // but WITHOUT ANY WARRANTY; without even the implied warranty of
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| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| // GNU Lesser General Public License for more details.
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| //
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| // You should have received a copy of the GNU Lesser General Public License
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| // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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| 
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| package params
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| 
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| // GasTable organizes gas prices for different ethereum phases.
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| type GasTable struct {
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| 	ExtcodeSize uint64
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| 	ExtcodeCopy uint64
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| 	ExtcodeHash uint64
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| 	Balance     uint64
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| 	SLoad       uint64
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| 	Calls       uint64
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| 	Suicide     uint64
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| 
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| 	ExpByte uint64
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| 
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| 	// CreateBySuicide occurs when the
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| 	// refunded account is one that does
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| 	// not exist. This logic is similar
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| 	// to call. May be left nil. Nil means
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| 	// not charged.
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| 	CreateBySuicide uint64
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| }
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| 
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| // Variables containing gas prices for different ethereum phases.
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| var (
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| 	// GasTableHomestead contain the gas prices for
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| 	// the homestead phase.
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| 	GasTableHomestead = GasTable{
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| 		ExtcodeSize: 20,
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| 		ExtcodeCopy: 20,
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| 		Balance:     20,
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| 		SLoad:       50,
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| 		Calls:       40,
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| 		Suicide:     0,
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| 		ExpByte:     10,
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| 	}
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| 
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| 	// GasTableEIP150 contain the gas re-prices for
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| 	// the EIP150 phase.
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| 	GasTableEIP150 = GasTable{
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| 		ExtcodeSize: 700,
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| 		ExtcodeCopy: 700,
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| 		Balance:     400,
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| 		SLoad:       200,
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| 		Calls:       700,
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| 		Suicide:     5000,
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| 		ExpByte:     10,
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| 
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| 		CreateBySuicide: 25000,
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| 	}
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| 	// GasTableEIP158 contain the gas re-prices for
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| 	// the EIP155/EIP158 phase.
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| 	GasTableEIP158 = GasTable{
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| 		ExtcodeSize: 700,
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| 		ExtcodeCopy: 700,
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| 		Balance:     400,
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| 		SLoad:       200,
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| 		Calls:       700,
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| 		Suicide:     5000,
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| 		ExpByte:     50,
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| 
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| 		CreateBySuicide: 25000,
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| 	}
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| 	// GasTableConstantinople contain the gas re-prices for
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| 	// the constantinople phase.
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| 	GasTableConstantinople = GasTable{
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| 		ExtcodeSize: 700,
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| 		ExtcodeCopy: 700,
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| 		ExtcodeHash: 400,
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| 		Balance:     400,
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| 		SLoad:       200,
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| 		Calls:       700,
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| 		Suicide:     5000,
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| 		ExpByte:     50,
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| 
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| 		CreateBySuicide: 25000,
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| 	}
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| )
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